As an Admin, you have access to the 'Data Manager' which allows you to add metrics to the core list one at a time or in bulk using reports within the data manager.
What are Core Metrics?
Core Metrics indicate that the metric is important to your organization. They appear in the core list inside the metric picker helping users find them easily.
Adding Metrics to the Core list
To add a metric to the core list inside the metric picker:
Go to 'Data Manager'
Navigate to 'Metrics' or 'Compound Metrics' depending on which metric you are looking for
Click on 'Edit' on the metric you want to add to the core list
Click on the 'Core Metric' toggle at the top right corner
Click 'Save Changes'
